TPS63031DSKR
HIGH EFFICIENCY SINGLE INDUCTOR BUCK-BOOST CONVERTER crt tv components
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4350 |
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16+ |
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2500 |
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2500 |
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7500 |
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15+ |
TSSOP |
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1780 |
TI |
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9000 |
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LL34 |
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FSC |
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TO-92 |
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2100 |
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13+ |
SOT-223 |
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15+ |
SOD323 |
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3000 |
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SMD |
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2170 |
ATMEL |
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QFN |
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2200 |
ZETEX |
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SOT-23 |
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350 |
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TSOP32 |
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SHARP |
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2000 |
AD |
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SOD123 |
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3460 |
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SOT-89 |
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3000 |
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TO-220F |
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CONEXANT |
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QFN28 |
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7500 |
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TSSOP |
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3460 |
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TO-247 |
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NEC |
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TO-3P |
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CYPRESS |
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BGA |
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14+ |
TO-92 |
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200 |
TI |
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QFP |
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2460 |
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DIP |
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3000 |
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ASIX |
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ST |
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SOT23-6 |
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TO-252 |
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AD |
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TSSOP |
FEATURES
• Up to 96% Efficiency
• 800-mA Output Current at 3.3V in Step Down Products Mode (VIN = 3.6V to 5.5V)
• Up to 500-mA Output Current at 3.3V in Boost • PDAs Mode (VIN > 2.4V)
• Automatic Transition Between Step Down and • Personal Medical Products Boost Mode
• Device Quiescent Current less than 50µA
•Input Voltage Range: 1.8V to 5.5V
• Fixed and Adjustable Output Voltage Options from 1.2V to 5.5V
•Power Save Mode for Improved Efficiency at Low Output Power
• Forced Fixed Frequency Operation and Synchronization Possible
DESCRIPTION
The TPS6303x devices provide a power supply solution for products powered by either a two-cell or three-cell alkaline, NiCd or NiMH battery, or a one-cell Li-Ion or Li-polymer battery. Output currents can go as high as 600 mA while using a single-cell Li-Ion or Li-Polymer Battery, and discharge it down to 2.5V or lower. The buck-boost converter is based on a fixed frequency, pulse-width-modulation (PWM controller using synchronous rectification to obtain maximum efficiency. At low load currents, the converter enters Power Save mode to maintain high efficiency over a wide load current range. The Power Save mode can be disabled, forcing the converter to operate at a fixed switching frequency. The maximum average current in the switches is limited to a typical value of 1000 mA. The output voltage is programmable using an external resistor divider, or is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the load is disconnected from the battery. The device is packaged in a 10-pin QFN PowerPAD™ package measuring 2.5 mm × 2.5 mm (DSK).
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Single Inductor Buck Boost Converter Crt Tv Integrated Circuit Chip TPS63031DSKR High Efficiency Images
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